Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market’s and our clients’ most critical challenges. Together, we are forging the future of capital markets.
Jane Street is a quantitative trading firm with offices in New York, London, Hong Kong, Singapore, and Amsterdam. We are always recruiting top candidates and we invest heavily in teaching and training. The environment at Jane Street is open, informal, intellectual, and fun. People grow into long careers here because there are always new and interesting problems to solve, systems to build, and theories to test.
More than twenty years after our founding, it still feels like we’re just getting started.
At Optiver, we continuously quote buy and sell prices across financial markets, using our own capital and advanced technology to provide liquidity at scale across products, venues and market conditions.
We are a global company with offices in Amsterdam, Sydney, Chicago, Austin, Taipei, Hong Kong, Shanghai, London, New York, and Singapore.